Outfront Custom Subaru ARP 2000 1/2" Head Stud Kit

• 25% stronger than 625+ studs and 40% stronger than 11mm ARP 2000's

• reduced shank diameter (allows for no head gasket modifying) 

• more thread engagement in block over 11mm studs

• uses stock alignment pins without modifying case or heads

• over 200ft/lbs tested for stud "pull-out" in block

• custom large diameter hardened washers to prevent embedding into head under heavy torque values and HP levels

Applications: DOHC Subaru EJXX Engines